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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: https://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; var GUTTER_ID = "CodeMirror-lint-markers"; function showTooltip(e, content) { var tt = document.createElement("div"); tt.className = "CodeMirror-lint-tooltip"; tt.appendChild(content.cloneNode(true)); document.body.appendChild(tt); function position(e) { if (!tt.parentNode) return CodeMirror.off(document, "mousemove", position); tt.style.top = Math.max(0, e.clientY - tt.offsetHeight - 5) + "px"; tt.style.left = (e.clientX + 5) + "px"; } CodeMirror.on(document, "mousemove", position); position(e); if (tt.style.opacity != null) tt.style.opacity = 1; return tt; } function rm(elt) { if (elt.parentNode) elt.parentNode.removeChild(elt); } function hideTooltip(tt) { if (!tt.parentNode) return; if (tt.style.opacity == null) rm(tt); tt.style.opacity = 0; setTimeout(function() { rm(tt); }, 600); } function showTooltipFor(e, content, node) { var tooltip = showTooltip(e, content); function hide() { CodeMirror.off(node, "mouseout", hide); if (tooltip) { hideTooltip(tooltip); tooltip = null; } } var poll = setInterval(function() { if (tooltip) for (var n = node;; n = n.parentNode) { if (n && n.nodeType == 11) n = n.host; if (n == document.body) return; if (!n) { hide(); break; } } if (!tooltip) return clearInterval(poll); }, 400); CodeMirror.on(node, "mouseout", hide); } function LintState(cm, options, hasGutter) { this.marked = []; this.options = options; this.timeout = null; this.hasGutter = hasGutter; this.onMouseOver = function(e) { onMouseOver(cm, e); }; this.waitingFor = 0 } function parseOptions(_cm, options) { if (options instanceof Function) return {getAnnotations: options}; if (!options || options === true) options = {}; return options; } function clearMarks(cm) { var state = cm.state.lint; if (state.hasGutter) cm.clearGutter(GUTTER_ID); for (var i = 0; i < state.marked.length; ++i) state.marked[i].clear(); state.marked.length = 0; } function makeMarker(labels, severity, multiple, tooltips) { var marker = document.createElement("div"), inner = marker; marker.className = "CodeMirror-lint-marker-" + severity; if (multiple) { inner = marker.appendChild(document.createElement("div")); inner.className = "CodeMirror-lint-marker-multiple"; } if (tooltips != false) CodeMirror.on(inner, "mouseover", function(e) { showTooltipFor(e, labels, inner); }); return marker; } function getMaxSeverity(a, b) { if (a == "error") return a; else return b; } function groupByLine(annotations) { var lines = []; for (var i = 0; i < annotations.length; ++i) { var ann = annotations[i], line = ann.from.line; (lines[line] || (lines[line] = [])).push(ann); } return lines; } function annotationTooltip(ann) { var severity = ann.severity; if (!severity) severity = "error"; var tip = document.createElement("div"); tip.className = "CodeMirror-lint-message-" + severity; if (typeof ann.messageHTML != 'undefined') { tip.innerHTML = ann.messageHTML; } else { tip.appendChild(document.createTextNode(ann.message)); } return tip; } function lintAsync(cm, getAnnotations, passOptions) { var state = cm.state.lint var id = ++state.waitingFor function abort() { id = -1 cm.off("change", abort) } cm.on("change", abort) getAnnotations(cm.getValue(), function(annotations, arg2) { cm.off("change", abort) if (state.waitingFor != id) return if (arg2 && annotations instanceof CodeMirror) annotations = arg2 cm.operation(function() {updateLinting(cm, annotations)}) }, passOptions, cm); } function startLinting(cm) { var state = cm.state.lint, options = state.options; /* * Passing rules in `options` property prevents JSHint (and other linters) from complaining * about unrecognized rules like `onUpdateLinting`, `delay`, `lintOnChange`, etc. */ var passOptions = options.options || options; var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint"); if (!getAnnotations) return; if (options.async || getAnnotations.async) { lintAsync(cm, getAnnotations, passOptions) } else { var annotations = getAnnotations(cm.getValue(), passOptions, cm); if (!annotations) return; if (annotations.then) annotations.then(function(issues) { cm.operation(function() {updateLinting(cm, issues)}) }); else cm.operation(function() {updateLinting(cm, annotations)}) } } function updateLinting(cm, annotationsNotSorted) { clearMarks(cm); var state = cm.state.lint, options = state.options; var annotations = groupByLine(annotationsNotSorted); for (var line = 0; line < annotations.length; ++line) { var anns = annotations[line]; if (!anns) continue; var maxSeverity = null; var tipLabel = state.hasGutter && document.createDocumentFragment(); for (var i = 0; i < anns.length; ++i) { var ann = anns[i]; var severity = ann.severity; if (!severity) severity = "error"; maxSeverity = getMaxSeverity(maxSeverity, severity); if (options.formatAnnotation) ann = options.formatAnnotation(ann); if (state.hasGutter) tipLabel.appendChild(annotationTooltip(ann)); if (ann.to) state.marked.push(cm.markText(ann.from, ann.to, { className: "CodeMirror-lint-mark-" + severity, __annotation: ann })); } if (state.hasGutter) cm.setGutterMarker(line, GUTTER_ID, makeMarker(tipLabel, maxSeverity, anns.length > 1, state.options.tooltips)); } if (options.onUpdateLinting) options.onUpdateLinting(annotationsNotSorted, annotations, cm); } function onChange(cm) { var state = cm.state.lint; if (!state) return; clearTimeout(state.timeout); state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay || 500); } function popupTooltips(annotations, e) { var target = e.target || e.srcElement; var tooltip = document.createDocumentFragment(); for (var i = 0; i < annotations.length; i++) { var ann = annotations[i]; tooltip.appendChild(annotationTooltip(ann)); } showTooltipFor(e, tooltip, target); } function onMouseOver(cm, e) { var target = e.target || e.srcElement; if (!/\bCodeMirror-lint-mark-/.test(target.className)) return; var box = target.getBoundingClientRect(), x = (box.left + box.right) / 2, y = (box.top + box.bottom) / 2; var spans = cm.findMarksAt(cm.coordsChar({left: x, top: y}, "client")); var annotations = []; for (var i = 0; i < spans.length; ++i) { var ann = spans[i].__annotation; if (ann) annotations.push(ann); } if (annotations.length) popupTooltips(annotations, e); } CodeMirror.defineOption("lint", false, function(cm, val, old) { if (old && old != CodeMirror.Init) { clearMarks(cm); if (cm.state.lint.options.lintOnChange !== false) cm.off("change", onChange); CodeMirror.off(cm.getWrapperElement(), "mouseover", cm.state.lint.onMouseOver); clearTimeout(cm.state.lint.timeout); delete cm.state.lint; } if (val) { var gutters = cm.getOption("gutters"), hasLintGutter = false; for (var i = 0; i < gutters.length; ++i) if (gutters[i] == GUTTER_ID) hasLintGutter = true; var state = cm.state.lint = new LintState(cm, parseOptions(cm, val), hasLintGutter); if (state.options.lintOnChange !== false) cm.on("change", onChange); if (state.options.tooltips != false && state.options.tooltips != "gutter") CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver); startLinting(cm); } }); CodeMirror.defineExtension("performLint", function() { if (this.state.lint) startLinting(this); }); });